Converts an HTML keyboard event into our own `Key` representation.
(dom_event: KeyboardEvent)
| 36 | |
| 37 | /// Converts an HTML keyboard event into our own `Key` representation. |
| 38 | fn on_key_event_into_key(dom_event: KeyboardEvent) -> Key { |
| 39 | match dom_event.key_code() as u8 { |
| 40 | 8 => Key::Backspace, |
| 41 | 9 => Key::Tab, |
| 42 | 10 => Key::NewLine, |
| 43 | 13 => Key::CarriageReturn, |
| 44 | 27 => Key::Escape, |
| 45 | 33 => Key::PageUp, |
| 46 | 34 => Key::PageDown, |
| 47 | 35 => Key::End, |
| 48 | 36 => Key::Home, |
| 49 | 37 => Key::ArrowLeft, |
| 50 | 38 => Key::ArrowUp, |
| 51 | 39 => Key::ArrowRight, |
| 52 | 40 => Key::ArrowDown, |
| 53 | 46 => Key::Delete, |
| 54 | b'A' if dom_event.ctrl_key() => Key::Home, |
| 55 | b'B' if dom_event.ctrl_key() => Key::ArrowLeft, |
| 56 | b'C' if dom_event.ctrl_key() => Key::Interrupt, |
| 57 | b'D' if dom_event.ctrl_key() => Key::EofOrDelete, |
| 58 | b'E' if dom_event.ctrl_key() => Key::End, |
| 59 | b'F' if dom_event.ctrl_key() => Key::ArrowRight, |
| 60 | b'J' if dom_event.ctrl_key() => Key::NewLine, |
| 61 | b'M' if dom_event.ctrl_key() => Key::NewLine, |
| 62 | b'N' if dom_event.ctrl_key() => Key::ArrowDown, |
| 63 | b'P' if dom_event.ctrl_key() => Key::ArrowUp, |
| 64 | _ => { |
| 65 | let printable = !dom_event.alt_key() && !dom_event.ctrl_key() && !dom_event.meta_key(); |
| 66 | let chars = dom_event.key().chars().collect::<Vec<char>>(); |
| 67 | if printable && chars.len() == 1 { Key::Char(chars[0]) } else { Key::Unknown } |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | /// Interface to implement an on-screen keyboard to provide keys that may not be available on |
| 73 | /// mobile keyboards. |
no test coverage detected